Cagayan Valley · Philippines · 16.49° N · 121.65° E
Solar position in Aglipay
Sun position, daylight and the best solar panel angle for Aglipay — computed for 16.49° N, 121.65° E, 114 m above sea level.
The sun right now
Sun in Aglipay today
Sunday, 25 October 2026 · local time UTC+8
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:35 | sun 18° below horizon |
| Nautical dawn | 05:01 | 12° below |
| Civil dawn | 05:26 | 6° below |
| Sunrise | 05:48 | 102° ESE |
| Golden hour ends | 06:17 | sun 6° up |
| Solar noon | 11:37 | 61.4° high |
| Golden hour starts | 16:57 | sun 6° up |
| Sunset | 17:26 | 258° WSW |
| Civil dusk | 17:48 | 6° below |
| Nautical dusk | 18:13 | 12° below |
| Astronomical dusk | 18:39 | 18° below |
| Day length | 11 h 38 min | |
Sun path diagram for Aglipay
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 83.1° at solar noon in Aglipay; on the December solstice only 50.1°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:25 | 12:04 | 17:43 | 11 h 18 min | 53.6° |
| February | 06:16 | 12:07 | 17:57 | 11 h 42 min | 62.9° |
| March | 05:57 | 12:00 | 18:04 | 12 h 07 min | 73.7° |
| April | 05:34 | 11:52 | 18:10 | 12 h 35 min | 85.4° |
| May | 05:21 | 11:49 | 18:18 | 12 h 57 min | 86.3° |
| June | 05:21 | 11:55 | 18:28 | 13 h 07 min | 83.1° |
| July | 05:30 | 11:59 | 18:28 | 12 h 58 min | 86.0° |
| August | 05:38 | 11:56 | 18:14 | 12 h 36 min | 85.6° |
| September | 05:42 | 11:46 | 17:50 | 12 h 08 min | 74.2° |
| October | 05:47 | 11:37 | 17:28 | 11 h 41 min | 62.8° |
| November | 05:59 | 11:39 | 17:18 | 11 h 18 min | 53.6° |
| December | 06:16 | 11:51 | 17:25 | 11 h 09 min | 50.1° |
A year of daylight in Aglipay
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Aglipay
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1420 kWh per kWp.
39°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1395 | 98% | 2.48 | 2.0× |
| 12° year-round best | 1420 | 100% | 2.77 | 1.7× |
| 15° | 1419 | 100% | 2.82 | 1.7× |
| 16° = latitude | 1418 | 100% | 2.84 | 1.7× |
| 30° | 1366 | 96% | 3.01 | 1.5× |
| 39° off-grid best | 1298 | 91% | 3.05 | 1.4× |
| 45° | 1239 | 87% | 3.03 | 1.4× |
| 60° | 1048 | 74% | 2.89 | 1.7× |
| 70° | 894 | 63% | 2.70 | 2.1× |
| 90° | 602 | 42% | 2.14 | 2.3× |
A fixed array in Aglipay produces the most over a year at 12°. The design month for an off-grid system is December: at 39° it makes 3.05 kWh per kWp a day, 10% more than at 12°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Aglipay at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.59 | 3.69 | 3.06 | 3.19 | 21.8 °C |
| February | 4.39 | 3.88 | 3.22 | 3.81 | 22.4 °C |
| March | 5.24 | 3.66 | 3.01 | 4.37 | 23.8 °C |
| April | 6.08 | 2.98 | 2.42 | 4.82 | 25.7 °C |
| May | 6.11 | 2.23 | 1.78 | 4.66 | 26.6 °C |
| June | 5.91 | 1.95 | 1.54 | 4.45 | 26.3 °C |
| July | 5.31 | 2.03 | 1.62 | 4.05 | 25.8 °C |
| August | 4.97 | 2.45 | 1.97 | 3.89 | 25.7 °C |
| September | 4.99 | 3.13 | 2.54 | 4.04 | 25.5 °C |
| October | 4.22 | 3.36 | 2.74 | 3.54 | 24.7 °C |
| November | 3.58 | 3.49 | 2.87 | 3.13 | 24.0 °C |
| December | 3.13 | 3.27 | 2.70 | 2.77 | 22.8 °C |
| Year | 4.79 avg | 3.01 avg | 894 kWh | 1420 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 770 Wp of panels at 70°, versus 430 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Aglipay
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
2.4 mrow pitch at 70°
2.3 mrow pitch at 12°
How Aglipay compares in the Philippines
Against the other 519 places in the Philippines with climate data, for a fixed array at its best angle.
490thof 520 places in the Philippines for sunshine, shared: 4.79 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in the Philippines: 1,420 against 1,467 kWh per kWp.
+7 mindaylight on the longest day, compared with Quezon City: 13 h 07 min against 13 h 00 min.
12°best year-round tilt here; across the Philippines it runs from 4° in Bongao to 18° in Vigan.
Of the 520 places in the Philippines, Jolo gets the most sun (5.36 peak sun hours a day) and Pangil the least (4.68); Aglipay ranks joint 490th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.54 kWh a day here, against 1.34 kWh on average in the Philippines. The shortest day lasts 11 h 09 min, −7 min compared with Quezon City.
Solar forecast for Aglipay, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Aglipay
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Places near Aglipay
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A free, live card for Aglipay: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.